Handset key array



FIG. 1 is a front elevational view of a handset key array showing my new design;

FIG. 2 is a front, right side and top perspective view thereof; and,

FIG. 3 is a front, left side and bottom perspective view thereof.

The dotted lines showing the outline of a telephone handset are for illustration purposes only and form no part of the claimed invention. 

The ornamental design for a "handset key array", as shown and described. 